* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; color: #333; }
nav { background: #1a3a5c; color: #fff; padding: 0.75rem 1.5rem; display: flex; justify-content: space-between; align-items: center; }
nav a { color: #fff; text-decoration: none; margin-left: 1.5rem; opacity: 0.85; }
nav a:hover { opacity: 1; }
nav .brand { font-weight: 600; font-size: 1.1rem; }
.container { max-width: 1200px; margin: 1.5rem auto; padding: 0 1rem; }
.card { background: #fff; border-radius: 6px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); padding: 1.5rem; margin-bottom: 1rem; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.5rem 0.75rem; text-align: left; border-bottom: 1px solid #eee; }
th { background: #f8f9fa; font-weight: 600; font-size: 0.85rem; text-transform: uppercase; color: #666; }
tr:hover { background: #f8f9fa; }
a { color: #1a3a5c; }
.btn { display: inline-block; padding: 0.4rem 1rem; background: #1a3a5c; color: #fff; border: none; border-radius: 4px; cursor: pointer; text-decoration: none; font-size: 0.9rem; }
.btn:hover { background: #2a5a8c; }
input[type="text"], input[type="password"], select { padding: 0.4rem 0.6rem; border: 1px solid #ccc; border-radius: 4px; font-size: 0.9rem; }
.search-bar { display: flex; gap: 0.5rem; margin-bottom: 1rem; align-items: center; flex-wrap: wrap; }
.search-bar input[type="text"] { min-width: 250px; }
.pagination { display: flex; gap: 0.5rem; margin-top: 1rem; justify-content: center; }
.pagination a { padding: 0.3rem 0.7rem; border: 1px solid #ccc; border-radius: 4px; text-decoration: none; color: #333; }
.pagination a.active { background: #1a3a5c; color: #fff; border-color: #1a3a5c; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 2rem; }
.field { margin-bottom: 0.75rem; }
.field label { font-weight: 600; font-size: 0.85rem; color: #666; display: block; margin-bottom: 0.2rem; }
.badge { display: inline-block; padding: 0.15rem 0.5rem; border-radius: 3px; font-size: 0.8rem; background: #e8f4e8; color: #2d6a2d; }
.error { color: #c00; padding: 0.5rem; background: #fee; border-radius: 4px; margin-bottom: 1rem; }
.text-muted { color: #999; }
@media (max-width: 768px) { .detail-grid { grid-template-columns: 1fr; } }